Count the number of 'F's in the following sentence. No peeking at the answer.
FINISHED FILES ARE THE RE-
SULT OF YEARS OF SCIENTIF-
IC STUDY COMBINED WITH
THE EXPERIENCE OF YEARS.
How many 'F's are there?
none
3(9.7%)
1
0(0.0%)
2
0(0.0%)
3
7(22.6%)
4
1(3.2%)
5
5(16.1%)
6
13(41.9%)
7
2(6.5%)
8
0(0.0%)
You probably guessed '3'.
There are six.
Most people don't see the 'F's in "OF", the brain sees them as 'V's.
